Arthropods from region Peterborough County (Central Ontario, Ontario, Canada) Arachnida Lamarck, 1801 Arachnids | 30 48 52 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 5 6 6 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 6 6 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 5 7 7 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 7 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 252 1149 1511 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 18 25 29 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 2 1 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 2 2 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 8 20 33 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 1 1 0 | Families Genera Species | Taxom
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